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tensa zangetsu [6.8K]
3 years ago
9

How do you solve this problem?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
6 0
2.25x+8y=100 is the answer to part a
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last month, dory biked 11 times as many miles as karly. together they biked a total of 156 miles. how many miles did dory bike l
Anni [7]
\
Hi there

Let x be the number of miles Karly biked
Dory biked 11 times as many miles as Karly, therefor, Dory = 11x
The total number of miles back by both is 156
The equation will be:
11x + x = 156
Before we can get the number of miles Dory biked, we must first get the number of miles
Karly biked represented by x.
Get the x
12x = 156
12x/12 = 156/12
<span>x = 13 </span>
Karly = x = 13 miles biked
Dory = 11x = 11(13) = 143 miles biked
to check:
11x + x = 156
11(13) + 13 = 156
143 + 13 = 156
<span>156 = 156
  i hope it helps have a nice day:)

</span>
4 0
4 years ago
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What is the equation for this?
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The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have two points (-9, 7) and (9, 1). Substitute:

m=\dfrac{1-7}{9-(-9)}=\dfrac{-6}{18}=-\dfrac{1}{3}\\\\y-7=-\dfrac{1}{3}(x-(-9))\\\\\boxed{y-7=-\dfrac{1}{3}(x+9)}

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3 years ago
6.699rounded to the nearest number
sasho [114]

Answer:

6.700

Step-by-step explanation:

rounded to the hundred would be the same ecen rounded to ten would be the same

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Answer: An armistice is a truce, typically used in wars to stop the fighting, battles, etc. Also a holiday in France.

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Write the equation of the line that passes through (-1,2) and (4,-2)
mote1985 [20]
I think it’s y=-4/5+6/5
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